@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap');

/* QUICK RESET */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-size: 62.5%;
  font-family: 'Roboto', sans-serif;
  font-weight: 400;
  background: #0f2027; /* fallback for old browsers */
  background: -webkit-linear-gradient(
    to right,
    #2c5364,
    #203a43,
    #0f2027
  ); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(
    to right,
    #2c5364,
    #203a43,
    #0f2027
  ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */

  color: #eaf5f4;
  display: flex;
  justify-content: center;
}

.container {
  width: 95%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.game-container {
  position: relative;
  background-color: #2a9d8f;
  padding: 1.8rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 1.8rem;
  row-gap: 1.8rem;
  border-radius: 8px;
  transition: all 1s;
  overflow: hidden;
}

.icon-container {
  /* Hide highlight when tap */
  -webkit-tap-highlight-color: transparent;
  background-color: #264653;
  cursor: pointer;
  width: 7.2rem;
  aspect-ratio: 1;
  aspect-ratio: 1;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 1s;
}

.icon {
  font-size: 3.6rem;
  opacity: 0;
  transition: all 1s;
}

.score-timer-container {
  display: flex;
}

.score-timer-container h2 {
  padding: 1.6rem 6.4rem;
  font-size: 1.6rem;
  letter-spacing: 2px;
  color: #aad8d2;
}

.score,
.timer {
  color: #eaf5f4;
}

/* STATUS CHANGES */

/* - Click */
.flip {
  transform: translateX(-1px) rotateY(360deg);
}

.reveal {
  opacity: 1 !important;
  z-index: 100 !important;
}

/* - WIN */

.win-container {
  width: 100%;
  height: 100%;
  position: absolute;
  opacity: 0;
  transition: all 1s;
  z-index: -1;
}

.restart-btn,
.restart-btn:link,
.restart-btn:visited {
  top: 70%;
  left: 50%;
  background-color: rgba(255, 255, 255, 0.7);
  padding: 0.8rem 1.2rem;
  font-size: 1.4rem;
  font-weight: 600;
  border: none;
  border-radius: 9px;
  transition: all 0.3s;
}

.restart-btn:hover {
  background-color: #264653;
  color: #eaf5f4;
  cursor: pointer;
}

.restart-btn:active {
  background-color: #e9c46a;
  color: #264653;
}

.win-message,
.restart-btn {
  position: absolute;
  text-align: center;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 1s;
}
.win-message {
  top: 40%;
  left: 50%;
  width: 100%;
  font-size: 6.4rem;
  letter-spacing: 2px;
}

.win-bg {
  background: #136a8a; /* fallback for old browsers */
  background: -webkit-linear-gradient(
    to right,
    #267871,
    #136a8a
  ); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(
    to right,
    #267871,
    #136a8a
  ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

/* - LOSE */

.lose-bg {
  background: #cb356b; /* fallback for old browsers */
  background: -webkit-linear-gradient(
    to right,
    #bd3f32,
    #cb356b
  ); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(
    to right,
    #bd3f32,
    #cb356b
  ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}